Ⅰ Principle of high frequency induction heating

Ⅰ Principle of high frequency induction heating The principle of high frequency induction heating is that apply high frequency alternating current to ...
Author: Jocelyn Sutton
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Ⅰ Principle of high frequency induction heating The principle of high frequency induction heating is that apply high frequency alternating current to a conduct that is curled to cyclic (normally copper tube) to produce flux, then put the metal in this area to make the flux run through it, and eddy current will be generated in the direction of self-capturing with flux (rotary current), the induced current then generates heat under the influence of the eddy current, so this heating method is called induction heating. Hence, metal and other objects under heated can be heated without contact. At this moment, the character of the eddy current relies in that the induction heating on the object nearby the coil is outwardly strong but inwardly weak. With this principle, the heating body can be concentratedly heated where needed to achieve instantly effect, thereby the production output and work capacity are both improved.

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Ⅱ Model selection instruction for induction heating equipment Heating type

Application range

Frequency selection

Complex welding of bits, cutters,

Soldering

reamers, milling cutters, drills and other tools as well as various of materials of stainless pan bottom

Processing such as hot heading

Workpiece diathermy

and hot rolling of fasteners, standard

parts,

auto

parts,

hardware tools, riggings and twist drills

Power selection

Principle: the greater the welding volume is, the lower the frequency

Based on the shape,

should be. For tools with volume

materials, solders and

smaller

other elements.

than

30*30*30,

high

frequency may adopted; Principle: the greater the diameter of

Select appropriate power

workpiece is, the lower the frequency

on a basis of production

should be.

efficiency – the higher

For

example:

frequency

the efficiency is, the

(1-20KHZ) for Φ greater than 20;

higher the speed is. For

high frequency (20-100KHZ) for Φ

details please inquire the

between 5 and 20; low frequency

technicians

(100-500KHZ) for Φ lower than 5.

company.

Principle:

mediate

the

thin

the

quench-hardened case of workpiece is Shafts,

gears,

accessories

Heat treatment

machine

of

sprockets,

guide

tool,

rail

metal

of wire

annealing, hydraulic fittings, auto parts, cutting pliers, stainless steel pot annealing, etc.

required, the lower the frequency should be. For example: ultra high frequency (100-500KHZ) for thickness lower than

1mm;

ultrasonic

frequency

(20-100KHZ) for thickness between 1mm and 2.5mm; mediate frequency (1-20KHZ) for thickness greater than 2.5mm.

Smelting

Precious metals such as gold, silver, copper and lead. Heating aluminum

Other

and

laminating

pipes,

steel

Mediate

type

(double-head, oil

constant-power

quenched

case

requirements

and

materials

and

other

integrative factors. For details please inquire the technicians

of

our

company.

efficiency.

of Based on the production Up to the actual situation.

rate,

materials

temperature.

frequency multi-tap),

pipeline

hardness,

volume.

autocontrol type, one for two, bridge

method,

quenching

furnace and production

equipments, multi-load matching

Special functions and support equipments

quench

frequency may be selected for small

pharmacy industries. dual

Considering the shape,

Based on the smelting

seals used in food, drink and instance,

but

our

high

pipes,

cables and wires; aluminum foil

For

frequency,

of

bend, and

constant-current, soft connection inductor

2

and

Ⅲ Main features 1. The company adopts the latest current alternating control technology to deliver higher reliability and durability. 2. Constant power control and optimized heating effect: It is featured with constant current and power control, which optimizes the heating process of metal to the maximum to realize high efficient and speed heating, therefore the superiority of products is brought into full play. 3. High efficiency and energy conservation to save your cost: All things being equal, its energy efficiency is much higher than conventional tube high frequency heating equipments for it can save twice electricity as much as that of the latter. So it seems that our products wastes its “power” on a petty job, gets twice the result with half the effort and reduces the electrical load and compatibilization to save your cost. 4. Very small volume and weight: The products are only 40-70Kg in weight, which is fraction or even several tenth of conventional equipments, so it is convenient for transportation and installation, use and maintenance, and can save lots of space for you. 5. Convenient and easy for installation and use: By connecting corresponding water, electrical and heating inductors and workpieces according to the instruction, the machine could be switched on without waiting for preheating. A simple heating adjusting knob enable you to achieve needed heating effect, and you can use this product easily without special training. 6. Safety: Compare this product adopts low voltage (several hundred volts) with conventional high frequency products employ high voltage (higher than 10000 volts), the formal can efficiently prevent electric shock and high frequency radiation to lift your worry. 7. Multi-function It is featured with heating-heat preservation two stage setting, the power of these two stages is adjusted respectively. Heating and heat preservation processes are available to adapt to lot sizing and repeatedly heating site. More than ten kinds of fault protections and displays including over current, over voltage, under 3

water and lack of phase. Control of constant current and constant power selection. Current, power and frequency display. Output interface combining control with external equipments. 8. Absolute full load design which can be continuously working for 24 hours. 9. High reliability and durability. The main parts of this product adopt products of famous company in Japan and Europe. The machine was strictly tested before rollout to make you use at ease.

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Ⅳ Main technical parameters Model

15KW single-phase

Input voltage

220V

Max input power Max oscillatory output power

50HZ Constant current Output control method

Oscillatory output frequency Host Weight

machine

method

Temporary load rate

Constant power

Cooling water

method

pressure

30-80KHZ

Water flow

30Kg

Host Volume

Submachine Heating oscillatory current Heat preservation oscillatory current Heating time

machine

15KVA

15KW

100%

0.06-0.12MPa

>6L/MIN

550*220*470

Submachine 200-600A

Length of coupling

1.5m (max length 6m is

hose

available)

Time for heat

200-600A

preservation Cooling water

1-99s (auto)

temperature

5

1-99s (auto status)

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